Prefix overview
Phone numbers in prefix 256-337
This page covers the 256-337 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
256-337
RATE CENTER
HUNTSVILLE
CARRIER
POWERTEL BIRMINGHAM LICENSES, INC.
AL
Prefix range
The prefix 256-337 includes numbers from 2563370000 to 2563379999.
This range is associated with the HUNTSVILLE rate center and was originally assigned to POWERTEL BIRMINGHAM LICENSES, INC..
Numbers in this prefix
20 numbers